This product can act as a signal router， for example， you may have a TV in two separate rooms， you can have a TV on in one room and when you want to switch room and keep watching the TV， you just need to switch one TV off and switch the other TV on， and then the signal is routed to the TV in the other room.
Product Features
Brand new and high quality.
1 HDMI male to 2 HDMI female splitter cable.
Support 480i， 480p， 720p， 1080i， 1080p.
Gold_plated connectors for better signal transfer.
Allow to connect HDMI devices that have Build-in HDMI ports， like HDTV， PlayStation 3， Upconvertor DVD Player， satellite boxes， LCD Monitor and projectors.
Length: 11.8 inch (30 cm).
Color: Black.
Note: Only 1 output device should be active at any time unless both of the 2 display devices share the same size and model.